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Functional medicine doctor

A functional, integrative medicine doctor, treating the root cause.

What it means

What a functional medicine doctor does

A functional medicine doctor looks for the root causes of symptoms, nutrition, hormones, gut health, inflammation and lifestyle, instead of only managing them. At Sphosh Health, Dr. Koichi Tanji, ND, LMHC is a naturopathic doctor practicing functional and integrative medicine in Bellevue, WA, combining root-cause testing with conventional care for anxiety, depression, fatigue, focus and complex conditions.

  • Root-cause, whole-person medical care
  • Functional and integrative medicine
  • Hormone, gut, nutrient and inflammation focus
  • Testing that guides a personalized plan
Functional medicine doctor in Washington
Our integrated, whole-person approach
How we help

How our functional medicine care works

We take a thorough history, use functional lab testing where it clarifies the picture, and build a root-cause plan around nutrition, lifestyle and, where it helps, medication, coordinating care so nothing happens in isolation.

  • A thorough, root-cause evaluation
  • Functional lab testing where it helps
  • A personalized nutrition and lifestyle plan
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Good to know

Frequently asked questions

What is a functional medicine doctor?

A functional medicine doctor looks for the root causes of symptoms, nutrition, hormones, gut health, inflammation and lifestyle, and treats those, rather than only managing symptoms.

Is Dr. Tanji a functional and integrative medicine doctor?

Yes, Dr. Koichi Tanji is a naturopathic doctor (ND) and licensed counselor (LMHC) practicing functional and integrative medicine in Bellevue, WA.

What does a functional medicine doctor treat?

Anxiety, depression, fatigue, focus problems, sleep, gut issues and complex conditions, by finding and treating root causes.

Do you offer care across Washington?

Yes, in person in Bellevue and by secure telehealth statewide.

Do you accept insurance?

We are in-network with BCBS (Blue Cross Blue Shield).

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Related areas of care

Begin with how you're feeling

Care at Sphosh Health starts by understanding the whole context, psychological, biological and behavioral.

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Sphosh Health provides integrated mental health care. Content on this site is for educational purposes and is not a substitute for professional diagnosis or treatment. If you are experiencing a medical or mental health emergency, call 911 or 988 (Suicide & Crisis Lifeline).